FR1141492A - Mesure de composés volatils contenant des halogènes - Google Patents

Mesure de composés volatils contenant des halogènes

Info

Publication number
FR1141492A
FR1141492A FR1141492DA FR1141492A FR 1141492 A FR1141492 A FR 1141492A FR 1141492D A FR1141492D A FR 1141492DA FR 1141492 A FR1141492 A FR 1141492A
Authority
FR
France
Prior art keywords
measurement
compounds containing
volatile compounds
containing halogens
halogens
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR1141492A publication Critical patent/FR1141492A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/68—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas
    • G01N27/70—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas and measuring current or voltage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Measuring Fluid Pressure (AREA)
FR1141492D 1954-11-26 1955-11-25 Mesure de composés volatils contenant des halogènes Expired FR1141492A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US471350A US2814018A (en) 1954-11-26 1954-11-26 Measurement of volatile halogen containing components

Publications (1)

Publication Number Publication Date
FR1141492A true FR1141492A (fr) 1957-09-03

Family

ID=23871287

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1141492D Expired FR1141492A (fr) 1954-11-26 1955-11-25 Mesure de composés volatils contenant des halogènes

Country Status (2)

Country Link
US (1) US2814018A (fr)
FR (1) FR1141492A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL105349C (fr) * 1957-06-05 1963-02-15
US3009074A (en) * 1959-05-01 1961-11-14 Gen Electric Electrical vapor detector
US3254256A (en) * 1962-08-10 1966-05-31 Westinghouse Electric Corp Ionization vacuum gauge having an emissive electrode support means
US3356937A (en) * 1964-09-28 1967-12-05 Gen Electric Null-balanced compensation system for ion gauge with emission current instabilities
FR1454765A (fr) * 1964-12-04 1966-10-07 Gen Electric Perfectionnements apportés aux détecteurs électriques de vapeurs
US3581195A (en) * 1968-06-10 1971-05-25 Varian Associates Detection of vacuum leaks by gas ionization method and apparatus providing decreased vacuum recovery time
US5019517A (en) * 1988-04-15 1991-05-28 Coulson Dale M System, detector and method for trace gases
US5301537A (en) * 1991-05-31 1994-04-12 W. C. Wood Company Limited Method for detecting halocarbon refrigerant leaks by usage of a continually heated mass spectrometer
AU2002357857A1 (en) * 2001-12-13 2003-06-23 The University Of Wyoming Research Corporation Doing Business As Western Research Institute Volatile organic compound sensor system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1421720A (en) * 1920-06-03 1922-07-04 Claudius H M Roberts Method of and apparatus for detecting the presence of one gas in another
US2591485A (en) * 1950-04-26 1952-04-01 Gen Electric Leak detector
US2579352A (en) * 1950-04-28 1951-12-18 Gen Electric Method and apparatus for the quantitative measurement of impurities in an atmosphere

Also Published As

Publication number Publication date
US2814018A (en) 1957-11-19

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